Migrate java bigquerystorage #16094

Job	Run time
group_id_check_for_maps_libraries	6m 12s
owlbot-yaml	49s
package_name_check	51s
generate-readme	55s
owlbot-py	58s
root-pom	1m 30s
gapic-bom	1m 31s
gitignore_correctness	50s
	13m 36s

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